An ultimate specific speed method checked by formula of manufacturer is proposed.

提出用极限比速法,并采用厂家公式校核的方法选取冲击式机组.

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The structural and hydraulic design method is presented low - specific - speed highspeed centrifugal pump with two - stage complex impeller.

阐述了两级复合叶轮高速泵的结构设计特点和水力设计方法.

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In this paper, the structure, principle and performance of a low specific speed - jet pump are introduced.

介绍了一种极低比转数旋喷泵的结构 、 工作原理及性能特点.

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The increasing - flow design method is presented on superlow - specific speed high - speed centrifugal pump in this paper.

阐述了 超低 比转数高速 复合叶轮 离心泵的加大流量设计方法,并给出了两个设计实例.

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